This is your insurance policy against unpredictable weather. The Summit Barrier Jacket packs down to the size of an baseball, allowing you to carry it with you on any ride. The lightweight fabric is blocks wind and has an PFC-free DWR coating that sheds moisture. The zippered chest pocket acts as an stash pocket and the hood provides warm when off the bike. A two-way zipper allows you to regulate your temperature without needing to stop and switch layers.